Lab # 8 Action Flashcards
Raises, rotates and adducts(retracts) scapula & stabilizes it
trapezius
Prime mover of arm abduction
deltoid
PM of arm extension; adducts & medially
rotates arm
latissimus dorsi
Initiates abduction of humerus
supraspinatus rotator cuff
Powerful forearm extensor
triceps brachii
Powerful flexor of elbow and supinator of forearm
biceps brachii
A major flexor of forearm
brachialis
Lateral rotation of humerus
teres minor rotator cuff
Extend, medially rotate, adduct humerus
teres major
Prime mover to protract & move scapula forward toward chest wall; rotates scapula
serratus anterior
Stabilize scapula
rhomboids
medially rotates arm at shoulder joint
subscapularis rotator cuff
Lateral rotation of humerus
infraspinatus rotator cuff